Anti-Virus Comparative August 2005 Copyright (c) by Andreas Clementi (www.av-comparatives.org) - Tested on Windows XP Professional SP2                                                
   
       
  Company     H+BEDV Datentechnik   Alwil Software   GriSoft     Softwin     Doctor Web     Frisk Software   Trend Micro     Kaspersky Labs   McAfee     ESET     Symantec     Sophos      
  Product     AntiVir Workstation   Avast! Prof.   AVG Professional   BitDefender Prof.+   Dr. Web     F-Prot Anti-Virus   Internet Security   KAV Personal Pro   McAfee VirusScan   NOD32 Anti-Virus   Norton Anti-Virus   Sophos Anti-Virus    
  Program version     6.31.00.03     4.6.691     7.0.338     8.0.200     4.32b     3.16c     12.1.1034     5.0.372     10.0.21     2.51.8     11.0.11.4     5.0.5      
  Engine / signature version     6.31.1.0 / 6.31.1.62   0531-4     267.10.1/64     7.02560     4.32b     3.16.6     7.510.1002 / 2.761.00   N/A     4.4.00 / 4551    1.1187      70805q     2.30.12 / 3.96    
  Signature date (mm/dd/yyyy)     08/05/2005     08/05/2005     08/04/2005     08/05/2005     08/05/2005     08/05/2005     08/04/2005     08/05/2005     08/05/2005     08/05/2005     08/05/2005     08/05/2005      
  Number of virus records           202.710     unknown      unknown            198.395             82.894          191.534     unknown           142.285           141.156     unknown     70.431           108.226      
  On-demand detection rate of dialers (*)    excellent      high      excellent       excellent       high       not present      not present      excellent       excellent      excellent     excellent      high       
                                                                 
  Certification level reached in this test   ADVANCED   STANDARD   STANDARD   ADVANCED+   STANDARD   ADVANCED     STANDARD   ADVANCED+   ADVANCED+   ADVANCED+   ADVANCED+   STANDARD    
  On-demand detection of virus/malware    
  DOS viruses/malware   240.449         226.936 94,38%         231.502 96,28%         218.854 91,02%         235.678 98,02%         230.341 95,80%        239.904 99,77%         228.305 94,95%         240.367 99,97%         240.429 99,99%         238.266 99,09%         240.243 99,91%         233.765 97,22%    
  Windows viruses   19.393           14.830 76,47%           17.710 91,32%           15.794 81,44%           18.602 95,92%           17.441 89,93%          18.218 93,94%           16.841 86,84%           19.376 99,91%           19.329 99,67%           19.264 99,33%           19.364 99,85%           17.478 90,13%    
  Macro viruses       37.206           37.159 99,87%           36.680 98,59%           37.150 99,85%           36.813 98,94%           37.172 99,91%          37.206 100%           37.088 99,68%           37.206 100%           37.206 100%           37.190 99,96%           37.186 99,95%           37.143 99,83%    
  Script viruses/malware         6.802             4.260 62,63%             4.226 62,13%             2.298 33,78%             6.318 92,88%             5.456 80,21%            6.505 95,63%             4.823 70,91%             6.772 99,56%             6.682 98,24%             6.562 96,47%             6.630 97,47%             4.657 68,47%    
  Worms       19.331           18.304 94,69%           16.446 85,08%           17.920 92,70%           18.820 97,36%           17.820 92,18%          17.840 92,29%           17.670 91,41%           19.315 99,92%           19.283 99,75%           19.147 99,05%           19.233 99,49%           15.796 81,71%    
  Backdoors       55.011           54.040 98,23%           45.311 82,37%           53.107 96,54%           53.533 97,31%           49.836 90,59%          49.235 89,50%           47.642 86,60%           54.963 99,91%           52.935 96,23%           53.837 97,87%           54.403 98,89%           42.053 76,44%    
  Trojans       36.234           33.945 93,68%           26.583 73,36%           21.365 58,96%           34.045 93,96%           26.945 74,36%          29.731 82,05%           27.266 75,25%           36.154 99,78%           31.377 86,60%           33.580 92,68%           35.124 96,94%           20.158 55,63%    
  other malware         5.011             3.977 79,37%             4.066 81,14%             1.431 28,56%             4.798 95,75%             3.311 66,07%            3.995 79,72%             3.749 74,82%             4.995 99,68%             4.648 92,76%             4.780 95,39%             4.826 96,31%             2.981 59,49%    
  OtherOS viruses/malware         1.734                888 51,21%             1.008 58,13%                334 19,26%             1.344 77,51%                904 52,13%            1.185 68,34%                937 54,04%             1.529 88,18%             1.675 96,60%             1.423 82,06%             1.674 96,54%             1.309 75,49%    
  TOTAL   421.171         394.339 93,63%         383.532 91,06%         368.253 87,44%         409.951 97,34%         389.226 92,42%        403.819 95,88%         384.321 91,25%         420.677 99,88%         413.564 98,19%         414.049 98,31%         418.683 99,41%         375.340 89,12%    
  Total without DOS & OtherOS   178.988        166.515 93,0%        151.022 84,4%        149.065 83,3%        172.929 96,6%        157.981 88,3%        162.730 90,9%        155.079 86,6%        178.781 99,9%        171.460 95,8%        174.360 97,4%        176.766 98,8%        140.266 78,4%    
           
 
  (*) = not present (0-5%), low (6-40%), mediocre (41-70%), high (71-95%), excellent (96-100%)
 
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If you have questions about the tests and/or the results, please ask us directly in our forum (www.av-comparatives.org/forum).
Before asking, please read carefully also the test reports and all the other documents on our website.
Please do not put to much attention to the precentages, as little differences in the percentages do not say much.
It is better you rely on the levels (advanced+, advanced, standard) reached in this test (see http://www.av-comparatives.org/seiten/overview.html)
Products belonging to a category can be considered as good as the other products in the same category (regarding the on-demand detection rate). 
The main source of new samples are submissions from AV companies, end users, honeypots, etc. We do not replicate every sample. Read details in the FAQ.
We do not guarantee a perfect test-set, but the remaining number of "garbage files" contained is so small, that it does not affect the rankings and levels reached by the anti-virus scanners.